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Bond [772]
3 years ago
15

Calculate the mass 86.08 cm3 of Zinc sample knowing that its density is 7.14 g/cm3

Chemistry
1 answer:
Shalnov [3]3 years ago
8 0

Answer:

The answer is

<h2>614.61 g</h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

volume of zinc = 86.08 cm³

density = 7.14 g/cm³

The mass of zinc is

mass = 7.14 × 86.08 = 614.6112

We have the final answer as

<h3>614.61 g</h3>

Hope this helps you

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If the dehydration reaction of an alcohol is successful. What changes would be seen in the ir spectrum for the product compared
Bess [88]

If the dehydration reaction of an alcohol is successful. The changes would be seen in the IR spectrum for the product compared to the starting material are as,

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In dehydration reaction of alcohol (  O-H and  C-O bond ) contain , the water molecule ( H_{2}O ) is release from the reactant and C-C double bond is form which is known as alkene in the product .

The reactant and product have different structure. To determine the structure of the compound IR spectroscopy is used. In IR spectrum the peak corresponds to 3400-3600 cm is missing in the product of  dehydration reaction of an alcohol. It means  O-H band is disappear from stating material.

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4 0
2 years ago
I NEED HELP ASAP !
Lana71 [14]

Answer:

1.

643.21g  1 mol  6.022^23

262.87 g   1 mol

= 1.4735E24     [Mg3(PO4)2]

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18.02g    1mol

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80.34L   1mol       164.1

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893.7g   1mol       22.4

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5.39 x 10^25     1mol     78.01

6.022^23    1mol

= 6980g Al(OH)3

hope this helps!! :)

8 0
2 years ago
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